98868781 has 8 divisors (see below), whose sum is σ = 108010944. Its totient is φ = 89752320.

The previous prime is 98868733. The next prime is 98868793. The reversal of 98868781 is 18786889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98868781 is a prime.

It is a super-2 number, since 2×98868781² = 19550071712851922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98862781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125 + ... + 14221.

It is an arithmetic number, because the mean of its divisors is an integer number (13501368).

Almost surely, 2^98868781 is an apocalyptic number.

It is an amenable number.

98868781 is a deficient number, since it is larger than the sum of its proper divisors (9142163).

98868781 is a wasteful number, since it uses less digits than its factorization.

98868781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12851.

The product of its digits is 1548288, while the sum is 55.

The square root of 98868781 is about 9943.2781817668. The cubic root of 98868781 is about 462.4020241452.

The spelling of 98868781 in words is "ninety-eight million, eight hundred sixty-eight thousand, seven hundred eighty-one".